title: Invited commentary.
authors.affiliation: Division of Cardiothoracic Anesthesiology and Critical Care Medicine, Department of Anesthesiology, Box 3094, Duke University Medical Center, Durham, NC 27710, USA.
authors.forename: Sharon L
authors.initials: SL
authors.lastname: McCartney
authors.forename: Madhav
authors.initials: M
authors.lastname: Swaminathan
mesh_terms: D058186:Acute Kidney Injury / Q000401:mortality*; D006348:Cardiac Surgical Procedures / Q000401:mortality*; D002315:Cardiopulmonary Bypass / Q000401:mortality*; D005260:Female; D006400:Hematocrit; D006801:Humans; D008297:Male; D018570:Risk Assessment / Q000379:methods*